Filter Cross Reference

    Baldwin PA1821 cross reference

    Manufacturer numbers Baldwin lists PA1821 as the replacement for

    Baldwin lists PA1821 as the replacement for these manufacturer part numbers:

    ManufacturerTheir part number
    ACDELCOA506C
    AIR REFINERARM409
    AIR REFINERARM419
    AMERICAN PARTS448
    AMERICAN PARTS93076
    AP FILTERSAP3498A
    AP LOCKHEEDAP3498
    AP LOCKHEEDAP3498A
    AP LOCKHEEDLK3498
    BIG A FILTER448
    BIG A FILTER93076
    CARQUEST87076
    CATERPILLAR3I0048
    COOPERSAEM2334
    COOPERSAZA341
    DELUXE692
    DELUXEAF692
    DONALDSONP104596
    DONALDSONP104956
    DONALDSONP105876
    DONALDSONP106950
    DONALDSONP607231
    EUROFILTER2805
    FRAMCA557
    (manufacturer not verified)6488300
    (manufacturer not verified)9034669
    (manufacturer not verified)9034699
    (manufacturer not verified)9238561
    GRAINGER4ZNJ2
    (manufacturer not verified)G106950
    HASTINGSAF262
    HASTINGSPA1821
    (manufacturer not verified)A6950
    (manufacturer not verified)HDA6950
    KRALINATORLA230
    LUBER-FINERLAF1983
    LUBER-FINERLAF5876
    (manufacturer not verified)1026137M91
    (manufacturer not verified)1029445M92
    (manufacturer not verified)1029945M91
    (manufacturer not verified)1029945M92
    MASSEY FERGUSON1206137M91
    (manufacturer not verified)194405M91
    MASSEY FERGUSON507767M91
    MOTORCRAFTFA283
    NAPA GOLD2076
    NELSON70376N
    NU-TECHN0938
    PUROLATORAF2018
    (manufacturer not verified)U06950
    (manufacturer not verified)U06950
    (manufacturer not verified)WA2173
    WIX42076
    WIX542076
    WOODGATEWGA697

    Source: Baldwin Manufacturers' Cross-Reference, Form 560-24 (2024). Baldwin's published direction is manufacturer part → Baldwin replacement. This list shows what Baldwin published in 2024. It does not verify that the numbers interchange today.

    Upgrade chains run one way: equipment spec'd with a newer filter number should not step back to the older one. Go by what the truck was spec'd with.

    Always verify against the current OEM catalog before ordering. Cross references are a starting point, not a guarantee of fit.